//
//  NSString+Emoji.m
//  WHPersonalData
//
//  Created by mac on 2018/12/26.
//  Copyright © 2018年 mac. All rights reserved.
//

#import "NSString+Emoji.h"

@implementation NSString (Emoji)

//判断NSString字符串是否包含emoji表情

+ (BOOL)stringContainsEmoji:(NSString *)string {
        
        __block BOOL returnValue = NO;
        
        [string enumerateSubstringsInRange:NSMakeRange(0, [string length])
                                   options:NSStringEnumerationByComposedCharacterSequences
                                usingBlock:^(NSString *substring, NSRange substringRange, NSRange enclosingRange, BOOL *stop) {
                                    const unichar hs = [substring characterAtIndex:0];
                                    if (0xd800 <= hs && hs <= 0xdbff) {
                                        if (substring.length > 1) {
                                            const unichar ls = [substring characterAtIndex:1];
                                            const int uc = ((hs - 0xd800) * 0x400) + (ls - 0xdc00) + 0x10000;
                                            if (0x1d000 <= uc && uc <= 0x1f77f) {
                                                returnValue = YES;
                                            }
                                        }
                                    } else if (substring.length > 1) {
                                        const unichar ls = [substring characterAtIndex:1];
                                        if (ls == 0x20e3) {
                                            returnValue = YES;
                                        }
                                    } else {
                                        if (0x2100 <= hs && hs <= 0x27ff) {
                                            if (0x278b <= hs && hs <= 0x2792) {
                                                //自带九宫格拼音键盘
                                                returnValue = NO;;
                                            }else if (0x263b == hs) {
                                                returnValue = NO;;
                                            }else {
                                                returnValue = YES;
                                            }
                                        } else if (0x2B05 <= hs && hs <= 0x2b07) {
                                            returnValue = YES;
                                        } else if (0x2934 <= hs && hs <= 0x2935) {
                                            returnValue = YES;
                                        } else if (0x3297 <= hs && hs <= 0x3299) {
                                            returnValue = YES;
                                        } else if (hs == 0xa9 || hs == 0xae || hs == 0x303d || hs == 0x3030 || hs == 0x2b55 || hs == 0x2b1c || hs == 0x2b1b || hs == 0x2b50) {
                                            returnValue = YES;
                                        }
                                    }
                                }];
        
        return returnValue;
    }
    
#pragma Mark   ---  过滤表情
+(NSString *)disable_emoji:(NSString *)text
{
    
    //NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@"[^\\u0020-\\u007E\\u00A0-\\u00BE\\u2E80-\\uA4CF\\uF900-\\uFAFF\\uFE30-\\uFE4F\\uFF00-\\uFFEF\\u0080-\\u009F\\u2000-\\u201f\r\n]"options:NSRegularExpressionCaseInsensitive error:nil];
    
    NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern: @"[\\ud83c\\udc00-\\ud83c\\udfff]|[\\ud83d\\udc00-\\ud83d\\udfff]|[\\u2600-\\u27ff]" options:NSRegularExpressionCaseInsensitive error:nil];
    
    NSString *modifiedString = [regex stringByReplacingMatchesInString:text
                                
                                                              options:0
                                
                                                                range:NSMakeRange(0, [text length])
                                
                                                         withTemplate:@""];
    
    return modifiedString;
    
}

//是否是系统自带九宫格输入 yes-是 no-不是
+ (BOOL)isNineKeyBoard:(NSString *)string {
    NSString *other = @"➋➌➍➎➏➐➑➒";
    int len = (int)string.length;
    for(int i=0;i<len;i++){
        if(!([other rangeOfString:string].location != NSNotFound))
            return NO;
    }
    return YES;
}
//判断第三方键盘中的表情
+ (BOOL)hasEmoji:(NSString*)string {
    NSString *pattern = @"[^\\u0020-\\u007E\\u00A0-\\u00BE\\u2E80-\\uA4CF\\uF900-\\uFAFF\\uFE30-\\uFE4F\\uFF00-\\uFFEF\\u0080-\\u009F\\u2000-\\u201f\r\n]";
    NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", pattern];
    BOOL isMatch = [pred evaluateWithObject:string];
    return isMatch;
}

@end
